# Introduction:
Department

Here are preliminary results of the bibliometric mapping of the 2022 Luxembourg research evaluation. Its purpose is:

The method for the research-field-mapping can be reiviewed here:

Rakas, M., & Hain, D. S. (2019). The state of innovation system research: What happens beneath the surface?. Research Policy, 48(9), 103787.

Seed Articles

The seed articles deemed representative for the active areas of research in the institution, and include authors affiliated with the institution. They can be selected in three ways:

  1. Via bibliographic clustering of the institutions publications and selection of most central articles per cluster (only clsuters where n >= 0.05N). Selection can be found at: https://github.com/daniel-hain/biblio_lux_2022/blob/master/output/seed/scopus_liser_lc_seed.csv
  2. Manual selection of relevant publications.
  3. A combination of 1. and 2.

The present analysis is based on the following seed articles:

AU PY TI JI
MUSSARD S;ALPERIN MNP 2021 SOCIO-ECONOMIC HEALTH INEQUALITY INDICES: A FUZZY APPROACH APPLIED TO EUROPEAN COUNTRIES ANALYSIS OF SOCIO-ECONOMIC …
FUSCO A;ISLAM N 2020 HOUSEHOLD SIZE AND POVERTY RES. ECON. INEQUAL.
CUADRADO C;DUNSTAN J;SILVA-… 2020 EFFECTS OF A SUGAR-SWEETENED BEVERAGE TAX ON PRICES AND AFFORDABILITY OF SOFT DRINKS IN CHILE: A … SOC. SCI. MED.
VALENTOVA M 2016 GENERATION AND THE PROPENSITY OF LONG CAREER INTERRUPTIONS DUE TO CHILDCARE UNDER DIFFERENT FAMIL… INT. SOCIOL.
GUIO AC;MARLIER E;GORDON D;… 2016 IMPROVING THE MEASUREMENT OF MATERIAL DEPRIVATION AT THE EUROPEAN UNION LEVEL J. EUR. SOC. POLICY
SELEZNEVA E;VAN KERM P 2016 A DISTRIBUTION-SENSITIVE EXAMINATION OF THE GENDER WAGE GAP IN GERMANY J. ECON. INEQUAL.

Topic modelling

Here, we report the results of a LDA topic-modelling (basically, clustering on words) on all title+abstract texts.

Topics by topwords

Note: While this static vies is helpful, I recommend using the interactive LDAVis version to be found under https://daniel-hain.github.io/biblio_lux_2022/output/topic_modelling/LDAviz_liser_lc.rds/index.html#topic=1&lambda=0.60&term=. For functionality and usage, see technical description in the next tab.

Topics over time

Technical Description

LDA Topic Modelling

Topic modeling is a type of statistical modeling for discovering the abstract “topics” that occur in a collection of documents. Latent Dirichlet Allocation (LDA) is an example of topic model and is used to classify text in a document to a particular topic.

LDA is a generative probabilistic model that assumes each topic is a mixture over an underlying set of words, and each document is a mixture of over a set of topic probabilities. It builds a topic per document model and words per topic model, modeled as Dirichlet distributions.

LDAVis

LDAvis is a web-based interactive visualisation of topics estimated using LDA. It provides a global view of the topics (and how they differ from each other), while at the same time allowing for a deep inspection of the terms most highly associated with each individual topic. The package extracts information from a fitted LDA topic model to inform an interactive web-based visualization. The visualisation has two basic pieces.

The left panel visualise the topics as circles in the two-dimensional plane whose centres are determined by computing the Jensen–Shannon divergence between topics, and then by using multidimensional scaling to project the inter-topic distances onto two dimensions. Each topic’s overall prevalence is encoded using the areas of the circles.

The right panel depicts a horizontal bar chart whose bars represent the individual terms that are the most useful for interpreting the currently selected topic on the left. A pair of overlaid bars represent both the corpus-wide frequency of a given term as well as the topic-specific frequency of the term.

The \(\lambda\) slider allows to rank the terms according to term relevance. By default, the terms of a topic are ranked in decreasing order according their topic-specific probability ( \(\lambda\) = 1 ). Moving the slider allows to adjust the rank of terms based on much discriminatory (or “relevant”) are for the specific topic. The suggested optimal value of \(\lambda\) is 0.6.

Knowledge Bases: Co-Citation network analysis

Note: This analysis refers the co-citation analysis, where the cited references and not the original publications are the unit of analysis. See tab Technical descriptionfor additional explanations

Knowledge Bases summary

In order to partition networks into components or clusters, we deploy a community detection technique based on the Lovain Algorithm (Blondel et al., 2008). The Lovain Algorithm is a heuristic method that attempts to optimize the modularity of communities within a network by maximizing within- and minimizing between-community connectivity. We identify the following communities = knowledge bases.

com name dgr_int dgr
Knowledge Base 1: KB 1 (n = 731, density =6.94)
1 MALIK V.S. PAN A. WILLETT W.C. HU F.B. SUGAR-SWEETENED BEVERAGES AND WEIGHT GAIN IN CHILDREN AND ADULTS: A SYSTEMATIC REVIEW AND META-ANALYSIS (2013) 1850 1850
1 VARTANIAN L.R. SCHWARTZ M.B. BROWNELL K.D. EFFECTS OF SOFT DRINK CONSUMPTION ON NUTRITION AND HEALTH: A SYSTEMATIC REVIEW AND META-ANALYSIS (2007) 1009 1009
1 COLCHERO M.A. POPKIN B.M. RIVERA J.A. NG S.W. BEVERAGE PURCHASES FROM STORES IN MEXICO UNDER THE EXCISE TAX ON SUGAR SWEETENED BEVERAGES: OBSERVATI… 1004 1007
1 POWELL L.M. CHRIQUI J.F. KHAN T. WADA R. CHALOUPKA F.J. ASSESSING THE POTENTIAL EFFECTIVENESS OF FOOD AND BEVERAGE TAXES AND SUBSIDIES FOR IMPROVIN… 932 938
1 ANDREYEVA T. LONG M.W. BROWNELL K.D. THE IMPACT OF FOOD PRICES ON CONSUMPTION: A SYSTEMATIC REVIEW OF RESEARCH ON THE PRICE ELASTICITY OF DEMAND FO… 924 924
1 POPKIN B.M. HAWKES C. SWEETENING OF THE GLOBAL DIET PARTICULARLY BEVERAGES: PATTERNS TRENDS AND POLICY RESPONSES (2016) 798 798
1 COLCHERO M.A. RIVERA-DOMMARCO J. POPKIN B.M. NG S.W. IN MEXICO EVIDENCE OF SUSTAINED CONSUMER RESPONSE TWO YEARS AFTER IMPLEMENTING A SUGAR-SWEETEN… 648 648
1 FALBE J. ROJAS N. GRUMMON A.H. MADSEN K.A. HIGHER RETAIL PRICES OF SUGAR-SWEETENED BEVERAGES 3 MONTHS AFTER IMPLEMENTATION OF AN EXCISE TAX IN BERK… 632 632
1 FALBE J. THOMPSON H.R. BECKER C.M. ROJAS N. MCCULLOCH C.E. MADSEN K.A. IMPACT OF THE BERKELEY EXCISE TAX ON SUGAR-SWEETENED BEVERAGE CONSUMPTION (2… 613 613
1 HU F.B. RESOLVED: THERE IS SUFFICIENT SCIENTIFIC EVIDENCE THAT DECREASING SUGAR-SWEETENED BEVERAGE CONSUMPTION WILL REDUCE THE PREVALENCE OF OBESIT… 541 541
Knowledge Base 2: KB 2 (n = 570, density =6.63)
2 BLINDER A.S. WAGE DISCRIMINATION: REDUCED FORM AND STRUCTURAL ESTIMATES (1973) 877 885
2 FIRPO S. FORTIN N.M. LEMIEUX T. UNCONDITIONAL QUANTILE REGRESSIONS (2009) 758 797
2 FORTIN N. LEMIEUX T. FIRPO S. DECOMPOSITION METHODS IN ECONOMICS (2011) 654 657
2 OAXACA R. MALE-FEMALE WAGE DIFFERENTIALS IN URBAN LABOR MARKETS (1973) 612 622
2 GOLDIN C. A GRAND GENDER CONVERGENCE: ITS LAST CHAPTER (2014) 559 770
2 HECKMAN J.J. SAMPLE SELECTION BIAS AS A SPECIFICATION ERROR (1979) 394 496
2 ARULAMPALAM W. BOOTH A.L. BRYAN M.L. IS THERE A GLASS CEILING OVER EUROPE? EXPLORING THE GENDER PAY GAP ACROSS THE WAGE DISTRIBUTION (2007) 385 388
2 CARD D. HEINING J. KLINE P. WORKPLACE HETEROGENEITY AND THE RISE OF WEST GERMAN WAGE INEQUALITY (2013) 361 361
2 MACHADO J.A.F. MATA J. COUNTERFACTUAL DECOMPOSITION OF CHANGES IN WAGE DISTRIBUTIONS USING QUANTILE REGRESSION (2005) 351 354
2 BLAU F.D. KAHN L.M. THE GENDER WAGE GAP: EXTENT TRENDS AND EXPLANATIONS (2017) 297 309
Knowledge Base 3: KB 3 (n = 563, density =7.31)
3 TOWNSEND P. (1979) 1324 1342
3 ALKIRE S. FOSTER J. COUNTING AND MULTIDIMENSIONAL POVERTY MEASUREMENT (2011) 1297 1315
3 MACK J. LANSLEY S. (1985) 713 723
3 ATKINSON A.B. MULTIDIMENSIONAL DEPRIVATION: CONTRASTING SOCIAL WELFARE AND COUNTING APPROACHES (2003) 632 647
3 CERIOLI A. ZANI S. A FUZZY APPROACH TO THE MEASUREMENT OF POVERTY (1990) 564 567
3 BOURGUIGNON F. CHAKRAVARTY S.R. THE MEASUREMENT OF MULTIDIMENSIONAL POVERTY (2003) 502 502
3 BETTI G. VERMA V. FUZZY MEASURES OF THE INCIDENCE OF RELATIVE POVERTY AND DEPRIVATION: A MULTI-DIMENSIONAL PERSPECTIVE (2008) 417 417
3 ALKIRE S. SANTOS M.E. MEASURING ACUTE POVERTY IN THE DEVELOPING WORLD: ROBUSTNESS AND SCOPE OF THE MULTIDIMENSIONAL POVERTY INDEX (2014) 390 390
3 RAVALLION M. ON MULTIDIMENSIONAL INDICES OF POVERTY (2011) 389 389
3 BRADSHAW J. FINCH N. OVERLAPS IN DIMENSIONS OF POVERTY (2003) 362 365
Knowledge Base 4: KB 4 (n = 460, density =6.44)
4 ESPING-ANDERSEN G. (1990) 1281 1457
4 LEWIS J. GENDER AND THE DEVELOPMENT OF WELFARE REGIMES (1992) 612 621
4 ESPING-ANDERSEN G. (1999) 472 502
4 GORNICK J.C. MEYERS M.K. (2003) 404 480
4 KORPI W. FACES OF INEQUALITY: GENDER CLASS AND PATTERNS OF INEQUALITIES IN DIFFERENT TYPES OF WELFARE STATES (2000) 358 385
4 ESPING-ANDERSEN G. (2009) 279 307
4 BUDIG M.J. ENGLAND P. THE WAGE PENALTY FOR MOTHERHOOD (2001) 249 314
4 LEITNER S. VARIETIES OF FAMILIALISM: THE CARING FUNCTION OF THE FAMILY IN COMPARATIVE PERSPECTIVE (2003) 202 202
4 HARKNESS S. WALDFOGEL J. THE FAMILY GAP IN PAY: EVIDENCE FROM SEVEN INDUSTRIALIZED COUNTRIES (2003) 148 159
4 MANDEL H. WINNERS AND LOSERS: THE CONSEQUENCES OF WELFARE STATE POLICIES FOR GENDER WAGE INEQUALITY (2012) 143 168
Knowledge Base 5: KB 5 (n = 303, density =7.78)
5 MUNDLAK Y. ON THE POOLING OF TIME SERIES AND CROSS SECTION DATA (1978) 837 871
5 WOOLDRIDGE J.M. SIMPLE SOLUTIONS TO THE INITIAL CONDITIONS PROBLEM IN DYNAMIC NONLINEAR PANEL DATA MODELS WITH UNOBSERVED HETEROGENEITY (2005) 520 532
5 WOOLDRIDGE J.M. (2010) 291 343
5 CHAMBERLAIN G. PANEL DATA (1984) 201 204
5 HECKMAN J.J. HETEROGENEITY AND STATE DEPENDENCE (1981) 142 142
5 HECKMAN J.J. THE INCIDENTAL PARAMETERS PROBLEM AND THE PROBLEM OF INITIAL CONDITIONS IN ESTIMATING A DISCRETE TIME-DISCRETE DATA STOCHASTIC PROCESS… 141 141
5 CHAMBERLAIN G. ANALYSIS OF COVARIANCE WITH QUALITATIVE DATA (1980) 125 125
5 BIEWEN M. MEASURING STATE DEPENDENCE IN INDIVIDUAL POVERTY HISTORIES WHEN THERE IS FEEDBACK TO EMPLOYMENT STATUS AND HOUSEHOLD COMPOSITION (2009) 114 117
5 CHAMBERLAIN G. MULTIVARIATE REGRESSION MODELS FOR PANEL DATA (1982) 107 107
5 STEWART M.B. THE INTERRELATED DYNAMICS OF UNEMPLOYMENT AND LOW-WAGE EMPLOYMENT (2007) 101 101
Knowledge Base 6: KB 6 (n = 286, density =16.62)
6 RAWLS J. (1971) 633 690
6 CHECCHI D. PERAGINE V. INEQUALITY OF OPPORTUNITY IN ITALY (2010) 584 588
6 DWORKIN R. WHAT IS EQUALITY? PART 2: EQUALITY OF RESOURCES (1981) 486 500
6 ROEMER J.E. (1998) 462 478
6 COHEN G.A. ON THE CURRENCY OF EGALITARIAN JUSTICE (1989) 437 457
6 FLEURBAEY M. (2008) 431 444
6 DWORKIN R. WHAT IS EQUALITY? PART 1: EQUALITY OF WELFARE (1981) 390 401
6 LEFRANC A. PISTOLESI N. TRANNOY A. EQUALITY OF OPPORTUNITY AND LUCK: DEFINITIONS AND TESTABLE CONDITIONS WITH AN APPLICATION TO INCOME IN FRANCE (2… 360 376
6 FERREIRA F.H.G. GIGNOUX J. THE MEASUREMENT OF INEQUALITY OF OPPORTUNITY: THEORY AND AN APPLICATION TO LATIN AMERICA (2011) 356 356
6 DWORKIN R. (2000) 285 293
Knowledge Base 7: KB 7 (n = 185, density =16.12)
7 FUWA M. MACRO-LEVEL GENDER INEQUALITY AND THE DIVISION OF HOUSEHOLD LABOR IN 22 COUNTRIES (2004) 396 443
7 DAVIS S.N. GREENSTEIN T.N. GENDER IDEOLOGY: COMPONENTS PREDICTORS AND CONSEQUENCES (2009) 259 289
7 WEST C. ZIMMERMAN D.H. DOING GENDER (1987) 249 285
7 BRINES J. ECONOMIC DEPENDENCY GENDER AND THE DIVISION OF LABOR AT HOME (1994) 225 260
7 COLTRANE S. RESEARCH ON HOUSEHOLD LABOR: MODELING AND MEASURING THE SOCIAL EMBEDDEDNESS OF ROUTINE FAMILY WORK (2000) 199 235
7 BIANCHI S.M. MILKIE M.A. SAYER L.C. ROBINSON J.P. IS ANYONE DOING THE HOUSEWORK? TRENDS IN THE GENDER DIVISION OF HOUSEHOLD LABOR (2000) 180 183
7 GREENSTEIN T.N. ECONOMIC DEPENDENCE GENDER AND THE DIVISION OF LABOR IN THE HOME: A REPLICATION AND EXTENSION (2000) 125 131
7 AASSVE A. FUOCHI G. MENCARINI L. DESPERATE HOUSEWORK: RELATIVE RESOURCES TIME AVAILABILITY ECONOMIC DEPENDENCY AND GENDER IDEOLOGY ACROSS EUROPE (2… 121 128
7 SCHOBER P.S. THE PARENTHOOD EFFECT ON GENDER INEQUALITY: EXPLAINING THE CHANGE IN PAID AND DOMESTIC WORK WHEN BRITISH COUPLES BECOME PARENTS (2013) 104 140
7 GUPTA S. AUTONOMY DEPENDENCE OR DISPLAY? THE RELATIONSHIP BETWEEN MARRIED WOMEN’S EARNINGS AND HOUSEWORK (2007) 99 105

Development of Knowledge Bases

Technical description

In a co-cittion network, the strength of the relationship between a reference pair \(m\) and \(n\) (\(s_{m,n}^{coc}\)) is expressed by the number of publications \(C\) which are jointly citing reference \(m\) and \(n\).

\[s_{m,n}^{coc} = \sum_i c_{i,m} c_{i,n}\]

The intuition here is that references which are frequently cited together are likely to share commonalities in theory, topic, methodology, or context. It can be interpreted as a measure of similarity as evaluated by other researchers that decide to jointly cite both references. Because the publication process is time-consuming, co-citation is a backward-looking measure, which is appropriate to map the relationship between core literature of a field.

Research Areas: Bibliographic coupling analysis

Research Areas main summary

This is arguably the more interesting part. Here, we identify the literature’s current knowledge frontier by carrying out a bibliographic coupling analysis of the publications in our corpus. This measure uses bibliographical information of publications to establish a similarity relationship between them. Again, method details to be found in the tab Technical description. As you will see, we identify the main research area, but also a set of adjacent research areas with some theoretical/methodological/application overlap.

To identify communities in the field’s knowledge frontier (labeled research areas) we again use the Lovain Algorithm (Blondel et al., 2008). We identify the following communities = research areas.

com_name AU PY TI dgr_int TC TC_year
Research Area 1: RA 1 (n = 554, density =0.23)
RA 1 BLAU FD;KAHN LM 2017 THE GENDER WAGE GAP: EXTENT, TRENDS, & EXPLANATIONS 2.47 654 130.80
RA 1 FIRPO SP;FORTIN NM;LEM… 2018 DECOMPOSING WAGE DISTRIBUTIONS USING RECENTERED INFLUENCE FUNCTION REGRESSIONS 5.31 80 20.00
RA 1 CARD D;CARDOSO AR;KLINE P 2016 BARGAINING, SORTING, AND THE GENDER WAGE GAP: QUANTIFYING THE IMPACT OF FIRMS ON THE RELATIVE PAY OF WOMEN 2.87 144 24.00
RA 1 KLEVEN H;LANDAIS C;SØG… 2019 CHILDREN AND GENDER INEQUALITY: EVIDENCE FROM DENMARK 1.76 132 44.00
RA 1 BEAUDRY P;GREEN DA;SAN… 2016 THE GREAT REVERSAL IN THE DEMAND FOR SKILL AND COGNITIVE TASKS 1.73 118 19.67
RA 1 DENGLER K;MATTHES B 2018 THE IMPACTS OF DIGITAL TRANSFORMATION ON THE LABOUR MARKET: SUBSTITUTION POTENTIALS OF OCCUPATIONS IN GERMANY 2.68 75 18.75
RA 1 ENGLAND P;BEARAK J;BUD… 2016 DO HIGHLY PAID, HIGHLY SKILLED WOMEN EXPERIENCE THE LARGEST MOTHERHOOD PENALTY? 1.93 99 16.50
RA 1 ANGELOV N;JOHANSSON P;… 2016 PARENTHOOD AND THE GENDER GAP IN PAY 1.57 106 17.67
RA 1 RIOS-AVILA F 2020 RECENTERED INFLUENCE FUNCTIONS (RIFS) IN STATA: RIF REGRESSION AND RIF DECOMPOSITION 5.26 31 15.50
RA 1 CORTES GM 2016 WHERE HAVE THE MIDDLE-WAGE WORKERS GONE? A STUDY OF POLARIZATION USING PANEL DATA 2.03 78 13.00
Research Area 2: RA 2 (n = 485, density =0.31)
RA 2 COLCHERO MA;POPKIN BM;… 2016 BEVERAGE PURCHASES FROM STORES IN MEXICO UNDER THE EXCISE TAX ON SUGAR SWEETENED BEVERAGES: OBSERVATIONAL STUDY 3.77 493 82.17
RA 2 POPKIN BM;HAWKES C 2016 SWEETENING OF THE GLOBAL DIET, PARTICULARLY BEVERAGES: PATTERNS, TRENDS, AND POLICY RESPONSES 3.07 401 66.83
RA 2 FALBE J;THOMPSON HR;BE… 2016 IMPACT OF THE BERKELEY EXCISE TAX ON SUGAR-SWEETENED BEVERAGE CONSUMPTION 4.42 264 44.00
RA 2 SILVER LD;NG SW;RYAN-I… 2017 CHANGES IN PRICES, SALES, CONSUMER SPENDING, AND BEVERAGE CONSUMPTION ONE YEAR AFTER A TAX ON SUGAR-SWEETENED BEVERAGES IN… 3.76 235 47.00
RA 2 TENG AM;JONES AC;MIZDR… 2019 IMPACT OF SUGAR-SWEETENED BEVERAGE TAXES ON PURCHASES AND DIETARY INTAKE: SYSTEMATIC REVIEW AND META-ANALYSIS 6.18 142 47.33
RA 2 ARANTXA COCHERO M;RIVE… 2017 IN MEXICO, EVIDENCE OF SUSTAINED CONSUMER RESPONSE TWO YEARS AFTER IMPLEMENTING A SUGAR-SWEETENED BEVERAGE TAX 1.93 338 67.60
RA 2 MALIK VS;HU FB 2019 SUGAR-SWEETENED BEVERAGES AND CARDIOMETABOLIC HEALTH: AN UPDATE OF THE EVIDENCE 5.61 104 34.67
RA 2 LUGER M;LAFONTAN M;BES… 2018 SUGAR-SWEETENED BEVERAGES AND WEIGHT GAIN IN CHILDREN AND ADULTS: A SYSTEMATIC REVIEW FROM 2013 TO 2015 AND A COMPARISON W… 2.49 153 38.25
RA 2 ROBERTO CA;LAWMAN HG;L… 2019 ASSOCIATION OF A BEVERAGE TAX ON SUGAR-SWEETENED AND ARTIFICIALLY SWEETENED BEVERAGES WITH CHANGES IN BEVERAGE PRICES AND … 3.82 95 31.67
RA 2 LEE MM;FALBE J;SCHILLI… 2019 SUGAR-SWEETENED BEVERAGE CONSUMPTION 3 YEARS AFTER THE BERKELEY, CALIFORNIA, SUGAR-SWEETENED BEVERAGE TAX 4.16 79 26.33
Research Area 3: RA 3 (n = 451, density =0.32)
RA 3 OKUSHIMA S 2017 GAUGING ENERGY POVERTY: A MULTIDIMENSIONAL APPROACH 3.96 91 18.20
RA 3 LIU Y;XU Y 2016 A GEOGRAPHIC IDENTIFICATION OF MULTIDIMENSIONAL POVERTY IN RURAL CHINA UNDER THE FRAMEWORK OF SUSTAINABLE LIVELIHOODS ANAL… 2.82 98 16.33
RA 3 ALKIRE S;FANG Y 2019 DYNAMICS OF MULTIDIMENSIONAL POVERTY AND UNI-DIMENSIONAL INCOME POVERTY: AN EVIDENCE OF STABILITY ANALYSIS FROM CHINA 6.43 43 14.33
RA 3 THOMSON H;BOUZAROVSKI … 2017 RETHINKING THE MEASUREMENT OF ENERGY POVERTY IN EUROPE: A CRITICAL ANALYSIS OF INDICATORS AND DATA 1.40 179 35.80
RA 3 ALKIRE S;ROCHE JM;VAZ A 2017 CHANGES OVER TIME IN MULTIDIMENSIONAL POVERTY: METHODOLOGY AND RESULTS FOR 34 COUNTRIES 3.36 65 13.00
RA 3 HERRERO ST 2017 ENERGY POVERTY INDICATORS: A CRITICAL REVIEW OF METHODS 2.05 97 19.40
RA 3 MOOD C;JONSSON JO 2016 THE SOCIAL CONSEQUENCES OF POVERTY: AN EMPIRICAL TEST ON LONGITUDINAL DATA 3.25 61 10.17
RA 3 ARISTONDO O;ONAINDIA E 2018 COUNTING ENERGY POVERTY IN SPAIN BETWEEN 2004 AND 2015 3.59 54 13.50
RA 3 GUIO AC;MARLIER E;GORD… 2016 IMPROVING THE MEASUREMENT OF MATERIAL DEPRIVATION AT THE EUROPEAN UNION LEVEL 3.25 56 9.33
RA 3 ANGULO R;DÍAZ Y;PARDO R 2016 THE COLOMBIAN MULTIDIMENSIONAL POVERTY INDEX: MEASURING POVERTY IN A PUBLIC POLICY CONTEXT 4.43 34 5.67
Research Area 4: RA 4 (n = 425, density =0.24)
RA 4 WOOLDRIDGE JM 2019 CORRELATED RANDOM EFFECTS MODELS WITH UNBALANCED PANELS 4.64 86 28.67
RA 4 SCHUNCK R;PERALES F 2017 WITHIN- AND BETWEEN-CLUSTER EFFECTS IN GENERALIZED LINEAR MIXED MODELS: A DISCUSSION OF APPROACHES AND THE XTHYBRID COMMAND 3.98 80 16.00
RA 4 FILIPPINI M;GREENE W 2016 PERSISTENT AND TRANSIENT PRODUCTIVE INEFFICIENCY: A MAXIMUM SIMULATED LIKELIHOOD APPROACH 2.40 115 19.17
RA 4 CHAMBERLIN J;RICKER-GI… 2016 PARTICIPATION IN RURAL LAND RENTAL MARKETS IN SUB-SAHARAN AFRICA: WHO BENEFITS AND BY HOW MUCH? EVIDENCE FROM MALAWI AND Z… 2.61 66 11.00
RA 4 BURKE WJ;JAYNE TS;BLAC… 2017 FACTORS EXPLAINING THE LOW AND VARIABLE PROFITABILITY OF FERTILIZER APPLICATION TO MAIZE IN ZAMBIA 2.19 56 11.20
RA 4 KHONJE MG;MANDA J;MKAN… 2018 ADOPTION AND WELFARE IMPACTS OF MULTIPLE AGRICULTURAL TECHNOLOGIES: EVIDENCE FROM EASTERN ZAMBIA 1.91 59 14.75
RA 4 VERKAART S;MUNYUA BG;M… 2017 WELFARE IMPACTS OF IMPROVED CHICKPEA ADOPTION: A PATHWAY FOR RURAL DEVELOPMENT IN ETHIOPIA? 1.62 69 13.80
RA 4 FERNÁNDEZ-VAL I;WEIDNER M 2016 INDIVIDUAL AND TIME EFFECTS IN NONLINEAR PANEL MODELS WITH LARGE N, T 1.01 106 17.67
RA 4 MICHLER JD;JOSEPHSON AL 2017 TO SPECIALIZE OR DIVERSIFY: AGRICULTURAL DIVERSITY AND POVERTY DYNAMICS IN ETHIOPIA 1.53 65 13.00
RA 4 JOVÉ-LLOPIS E;SEGARRA-… 2018 ECO-INNOVATION STRATEGIES: A PANEL DATA ANALYSIS OF SPANISH MANUFACTURING FIRMS 1.76 56 14.00
Research Area 5: RA 5 (n = 404, density =0.22)
RA 5 LOHMANN H;ZAGEL H 2016 FAMILY POLICY IN COMPARATIVE PERSPECTIVE: THE CONCEPTS AND MEASUREMENT OF FAMILIZATION AND DEFAMILIZATION 4.24 91 15.17
RA 5 KNIGHT CR;BRINTON MC 2017 ONE EGALITARIANISM OR SEVERAL? TWO DECADES OF GENDER-ROLE ATTITUDE CHANGE IN EUROPE 1.26 147 29.40
RA 5 SARACENO C 2016 VARIETIES OF FAMILIALISM: COMPARING FOUR SOUTHERN EUROPEAN AND EAST ASIAN WELFARE REGIMES 2.16 76 12.67
RA 5 GRUNOW D;BEGALL K;BUCH… 2018 GENDER IDEOLOGIES IN EUROPE: A MULTIDIMENSIONAL FRAMEWORK 1.51 99 24.75
RA 5 DALY M;FERRAGINA E 2018 FAMILY POLICY IN HIGH-INCOME COUNTRIES: FIVE DECADES OF DEVELOPMENT 2.74 41 10.25
RA 5 BUDIG MJ;MISRA J;BOECK… 2016 WORK–FAMILY POLICY TRADE-OFFS FOR MOTHERS? UNPACKING THE CROSS-NATIONAL VARIATION IN MOTHERHOOD EARNINGS PENALTIES 1.40 78 13.00
RA 5 CHUNG H;VAN DER HORST M 2018 WOMEN’S EMPLOYMENT PATTERNS AFTER CHILDBIRTH AND THE PERCEIVED ACCESS TO AND USE OF FLEXITIME AND TELEWORKING 1.20 77 19.25
RA 5 BAIZAN P;ARPINO B;DELC… 2016 THE EFFECT OF GENDER POLICIES ON FERTILITY: THE MODERATING ROLE OF EDUCATION AND NORMATIVE CONTEXT 3.16 29 4.83
RA 5 KUROWSKA A 2018 (DE)FAMILIALIZATION AND (DE)GENDERIZATION – COMPETING OR COMPLEMENTARY PERSPECTIVES IN COMPARATIVE POLICY ANALYSIS? 3.34 25 6.25
RA 5 NITSCHE N;GRUNOW D 2016 HOUSEWORK OVER THE COURSE OF RELATIONSHIPS: GENDER IDEOLOGY, RESOURCES, AND THE DIVISION OF HOUSEWORK FROM A GROWTH CURVE … 1.42 54 9.00
Research Area 6: RA 6 (n = 199, density =0.68)
RA 6 RAMOS X;VAN DE GAER D 2016 APPROACHES TO INEQUALITY OF OPPORTUNITY: PRINCIPLES, MEASURES AND EVIDENCE 4.70 84 14.00
RA 6 ROEMER JE;TRANNOY A 2016 EQUALITY OF OPPORTUNITY: THEORY AND MEASUREMENT 4.65 82 13.67
RA 6 LEPRI B;OLIVER N;LETOU… 2018 FAIR, TRANSPARENT, AND ACCOUNTABLE ALGORITHMIC DECISION-MAKING PROCESSES: THE PREMISE, THE PROPOSED SOLUTIONS, AND THE OPE… 1.28 192 48.00
RA 6 HEIDARI H;GUMMADI KP;L… 2019 A MORAL FRAMEWORK FOR UNDERSTANDING FAIR ML THROUGH ECONOMIC MODELS OF EQUALITY OF OPPORTUNITY 4.65 30 10.00
RA 6 HUFE P;PEICHL A;ROEMER… 2017 INEQUALITY OF INCOME ACQUISITION: THE ROLE OF CHILDHOOD CIRCUMSTANCES 3.30 16 3.20
RA 6 SUÁREZ ÁLVAREZ A;LÓPEZ… 2018 ASSESSING CHANGES OVER TIME IN INEQUALITY OF OPPORTUNITY: THE CASE OF SPAIN 5.82 9 2.25
RA 6 BRUNORI P 2017 THE PERCEPTION OF INEQUALITY OF OPPORTUNITY IN EUROPE 2.99 14 2.80
RA 6 CARRIERI V;JONES AM 2018 INEQUALITY OF OPPORTUNITY IN HEALTH: A DECOMPOSITION-BASED APPROACH 2.31 18 4.50
RA 6 PALOMINO JC;MARRERO GA… 2019 CHANNELS OF INEQUALITY OF OPPORTUNITY: THE ROLE OF EDUCATION AND OCCUPATION IN EUROPE 2.65 15 5.00
RA 6 FLEURBAEY M;MANIQUET F 2018 OPTIMAL INCOME TAXATION THEORY AND PRINCIPLES OF FAIRNESS 2.04 18 4.50

Development

Connectivity between the research areas

Technical description

In a bibliographic coupling network, the coupling-strength between publications is determined by the number of commonly cited references they share, assuming a common pool of references to indicate similarity in context, methods, or theory. Formally, the strength of the relationship between a publication pair \(i\) and \(j\) (\(s_{i,j}^{bib}\)) is expressed by the number of commonly cited references.

\[s_{i,j}^{bib} = \sum_m c_{i,m} c_{j,m}\]

Since our corpus contains publications which differ strongly in terms of the number of cited references, we normalize the coupling strength by the Jaccard similarity coefficient. Here, we weight the intercept of two publications’ bibliography (shared refeences) by their union (number of all references cited by either \(i\) or \(j\)). It is bounded between zero and one, where one indicates the two publications to have an identical bibliography, and zero that they do not share any cited reference. Thereby, we prevent publications from having high coupling strength due to a large bibliography (e.g., literature surveys).

\[S_{i,j}^{jac-bib} =\frac{C(i \cap j)}{C(i \cup j)} = \frac{s_{i,j}^{bib}}{c_i + c_j - s_{i,j}^{bib}}\]

More recent articles have a higher pool of possible references to co-cite to, hence they are more likely to be coupled. Consequently, bibliographic coupling represents a forward looking measure, and the method of choice to identify the current knowledge frontier at the point of analysis.

Knowledge Bases, Research Areas & Topics Interaction

Endnotes

All results are preliminary so far…